#178D8E#178D8E

#178D8E is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.5% C 0.095 H 195.8°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#178D8E
RGB	rgb(23, 141, 142)
HSL	hsl(181, 72%, 32%)
HSV	hsv(181, 84%, 56%)
CMYK	cmyk(83.8%, 0.7%, 0%, 44.3%)
CIE-LAB	lab(53.15, -29.31, -9.30)
CIE-LCH	lch(53.15, 30.76, 197.61°)
OKLab	oklab(58.51% -0.0916 -0.0259)
OKLCH	oklch(58.51% 0.095 195.8)
XYZ	xyz(14.7584, 21.1830, 28.8968)
Luminance	0.2119 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D8E #8E1817

analogous

#178E53 #178D8E #17528E

triadic

#178D8E #8E178D #8D8E17

tetradic

#178D8E #53178E #8E1817 #528E17

square

#178D8E #53178E #8E1817 #528E17

split-complementary

#178D8E #8E1752 #8E5317

monochromatic

#062425 #0E5959 #178D8E #20C1C3 #3FDFE0

Accessibility & contrast

On white

4.01

#178D8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#178D8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D8E

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D8E	#FFFFFF	#000000	##000000
##178D8E	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83868E

Deuteranopia (green-blind)

#737A8F

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178d8e;
/* rgb */ color: rgb(23, 141, 142);
/* oklch */ color: oklch(58.5% 0.095 195.8);

Tailwind

colors: {
  custom: {
    50: '#6eafaf',
    500: '#178d8e',
    950: '#000000',
  },
}

SCSS

$custom: #178d8e;
$custom-light: #6eafaf;
$custom-dark: #000000;

JSON

{
  "hex": "#178d8e",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 142
  },
  "hsl": {
    "h": 180.504,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58511,
    "c": 0.09518,
    "h": 195.8
  },
  "luminance": 0.21185
}

Semantic roles & 50–950 ramp

primary

#178D8E

secondary

#C04240

accent

#3A39EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178D8E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →